diff --git a/src/dehacked.c b/src/dehacked.c
index 34fe58362..0380cc30e 100644
--- a/src/dehacked.c
+++ b/src/dehacked.c
@@ -38,6 +38,7 @@
 #include "lua_script.h"
 #include "lua_hook.h"
 #include "d_clisrv.h"
+#include "g_state.h" // gamestate_t (for lua)
 
 #include "m_cond.h"
 
@@ -10107,6 +10108,22 @@ struct {
 	{"MA_NOCUTSCENES",MA_NOCUTSCENES},
 	{"MA_INGAME",MA_INGAME},
 
+	// gamestates
+	{"GS_NULL",GS_NULL},
+	{"GS_LEVEL",GS_LEVEL},
+	{"GS_INTERMISSION",GS_INTERMISSION},
+	{"GS_CONTINUING",GS_CONTINUING},
+	{"GS_TITLESCREEN",GS_TITLESCREEN},
+	{"GS_TIMEATTACK",GS_TIMEATTACK},
+	{"GS_CREDITS",GS_CREDITS},
+	{"GS_EVALUATION",GS_EVALUATION},
+	{"GS_GAMEEND",GS_GAMEEND},
+	{"GS_INTRO",GS_INTRO},
+	{"GS_ENDING",GS_ENDING},
+	{"GS_CUTSCENE",GS_CUTSCENE},
+	{"GS_DEDICATEDSERVER",GS_DEDICATEDSERVER},
+	{"GS_WAITINGPLAYERS",GS_WAITINGPLAYERS},
+
 	{NULL,0}
 };
 
diff --git a/src/lua_script.c b/src/lua_script.c
index ae7f479f6..6e40cb785 100644
--- a/src/lua_script.c
+++ b/src/lua_script.c
@@ -34,6 +34,7 @@
 #include "lua_hook.h"
 
 #include "doomstat.h"
+#include "g_state.h"
 
 lua_State *gL = NULL;
 
@@ -361,6 +362,9 @@ int LUA_PushGlobals(lua_State *L, const char *word)
 	} else if (fastcmp(word, "token")) {
 		lua_pushinteger(L, token);
 		return 1;
+	} else if (fastcmp(word, "gamestate")) {
+		lua_pushinteger(L, gamestate);
+		return 1;
 	}
 	return 0;
 }